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12/25/06 17:18
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#130105 - use priority
Responding to: ???'s previous message
Asok Sankar Rudra said:

Shall I reduce the RC5 interrupt to bare minimum so as to just toggle a flag
and poll that along with other switches? Or do away with RC5 interrupt completely and poll it instead? But total time taken by RC5 will remain same and clash with zero crossing.Oh!,what a dillema!


There is an easy solution, simple use the very clever priority feature of the 8051 !

Assign the lower priority for RC5 and the higher priority for all phase control.
Then it acts like there is no RC5 interrupt at all.


Peter

P.S.:
I prefer polling RC5 within a timer interrupt.



List of 25 messages in thread
TopicAuthorDate
Multiple Interrupts with Infrared RC5            01/01/70 00:00      
   Must be the technique you are using            01/01/70 00:00      
      Test Zero Cross            01/01/70 00:00      
         Couple of questions            01/01/70 00:00      
   Do you disable interrputs when you are in ISR?            01/01/70 00:00      
   use priority            01/01/70 00:00      
      Peter,Please clarify            01/01/70 00:00      
         RC5 within interrupt            01/01/70 00:00      
         RC5 polling            01/01/70 00:00      
            Quality workmanship...            01/01/70 00:00      
               workmanship            01/01/70 00:00      
            Dimmers            01/01/70 00:00      
               Russel Please            01/01/70 00:00      
                  Some more points            01/01/70 00:00      
                     Dimmers            01/01/70 00:00      
                     that does not make sense            01/01/70 00:00      
                        Divide and Rule            01/01/70 00:00      
                           instead of using your first choice, you state:            01/01/70 00:00      
   C sample code            01/01/70 00:00      
      Let me assimilate your code first            01/01/70 00:00      
         .LST?            01/01/70 00:00      
         About the 4n35            01/01/70 00:00      
            Thanks Jerson ,I corrected the picture            01/01/70 00:00      
               Here            01/01/70 00:00      
   F629FAN Schematic            01/01/70 00:00      

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